Huawei Watch Ultimate 2 vs Xiaomi Black Shark GS3 Ultra

Huawei Watch Ultimate 2

Huawei Watch Ultimate 2

Announced On:September, 2025

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Xiaomi Black Shark GS3 Ultra

Xiaomi Black Shark GS3 Ultra

Announced On:November, 2025

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Huawei Watch Ultimate 2 vs Xiaomi Black Shark GS3 Ultra

Huawei Watch Ultimate 2	Xiaomi Black Shark GS3 Ultra

Form Factor
Body
Candybar, Touchscreen, Wearable	Candybar, Touchscreen, Wearable
Dimensions
48.5 x 48.5 x 12.9 mm Black 47.8 x 47.8 x 12.9 mm Blue	-
Weight
80.5 g (2.86 oz)	-
Build
Sapphire crystal front, cerramic bezzel, zirconium front case, ceramic back 150m swimproof/diving (EN13319, ISO 22810:2010) IP68 dust tight and water resistant (immersible up to 150m/20ATM) ECG certified	Glass front (Gorilla Glass), aluminum frame IP68/IP69K dust tight and water resistant (high pressure water jets, immersible up to 1.5m for 30 min) MIL-STD-810H compliant Waterproof (5ATM)
Colors
Black, Blue	Black, Silver
Models
MCH-AL00

Type
Display
LTPO2 AMOLED, 3500 nits (peak)	AMOLED, 1000 nits
Size
1.5 inches	1.43 inches
Resolution
466 x 466 pixels (~310 ppi density)	466 x 466 pixels (~326 ppi density)
Protection
	Corning Gorilla Glass

Technology
Network
GSM / HSPA / LTE	No cellular connectivity
2G Bands
GSM 850 / 900 / 1800 / 1900
3G Bands
HSDPA 850 / 900 / 1900 / 2100
4G Bands
LTE

Card Slot
Memory
No	No
Phonebook
	No
Call Records
	Yes

GPRS
Connectivity
	No
EDGE
	No
Speed
HSPA, LTE
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6	No
Bluetooth
5.2, A2DP, LE	Yes
USB
No	No
NFC
Yes	Unspecified

Radio
Multimedia
No	No

Operating System (OS)
Software
HarmonyOS 5.1	Xiaomi OS
Java
	No
Messaging
	SMS(threaded view), Email, IM
Games
	No

Sensors
Hardware
Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature), X-TAP	Accelerometer, gyro, compass, barometer, heart rate, SpO2
SIM
	No
Speakers
Yes	Yes
Audio Jack
No	No

Battery Type
Battery
Li-Ion 867 mAh
Charging
10W wireless

Features
Additional Features
Sonar-based underwater communication (Nearlink, up to 30m distance) BDS Satellite Messaging China only Heart Rate Variability (HRV) Arterial Stiffness Detection

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